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Geometry 16 Online
OpenStudy (anonymous):

Two 20 m diameter circles are placed so that the circumference of each just touches the center of the other. What is the area common to each circle?

OpenStudy (anonymous):

@e.mccormick

OpenStudy (anonymous):

@satellite73

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

@eliassaab

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

|dw:1395761734882:dw|

OpenStudy (amistre64):

so, since the central angle is formed by 3 equilateral triangles ... the central angle is 120 degrees. half the area is the area of the segment with an angle of 120 degrees

OpenStudy (amistre64):

or 4 times the area of this : |dw:1395761902255:dw|

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